Herbicide & Weed Resources

The Cornell CALS programs including Weed Science, Sosnoskie Lab, and others provide tools and insights on integrated strategies, herbicide resistance, and crop-specific weed control to support growers and researchers in making informed decisions. For weed identification, ecological management, herbicide guidance and more visit the links below.

Cornell Resources: 

• Weed Science | CALS 
• Herbicide-resistant weed species grouped by MOA
• ENYCHP Herbicide Lookup by Active Ingredient 
• Turfgrass and Landscape Weed ID

External Resources:

• HRAC Herbicide Mode of Action Classification 
• Herbicide Classification Chart  

Note: Some herbicides on this chart may not be labeled for tree fruit or berry crops. Always check the current product label before use.